# SDR KCSA091010

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 17, 2009
- Submitted: February 17, 2009
- Operation: Air carrier
- Aircraft: N746CK
- Make and model: Boeing 747246F
- Aircraft serial: 22989
- Aircraft time: 108,516 hours, 21,150 cycles
- System (JASC): [5413 · Nacelle/Pylon, Longeron/Stringer](https://openairdocs.org/jasc/5413)
- Part: Stringer
- Condition: Cracked
- Location: Nr 2 Pylon
- Stage of operation: IN
- How discovered: E
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/KCSA091010

## Discrepancy

NR 2 PYLON O/B STRINGER CRACKED AT FWD ENG MOUNT BULKHEAD CHORD INTERNAL ANGLE ATTACH POINT, LOWER SIDE.

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